A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

for discussing resetting the processor.
121 questions
A custom structure in C++ (and various other languages) which can contain member data and functions. An instance of a class is called an object.
120 questions
Identifies the size and nature of information held by a variable in a program. It is language-dependent. Examples for C/C++ include: `int`, `float`, and `char`.
120 questions
Defines how often something occurs, such as pulses in a digital signal, or oscillations in a radio wave.
120 questions
Linux is an open source operating system (OS) that is lightweight and runs on many systems. It also runs on the Arduino Yún. There are different "flavors" or "distros" (distributions and changes made …
118 questions
A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold …
115 questions
A new paradigm where many, typically microcontroller-driven embedded systems are connected by the Internet, and they are cooperating with eachother to reach common goals, without requiring human-to-hu…
111 questions
Passive electronic component which reduces current flow in a circuit, dissipating power as heat.
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An electro-mechanical device for detecting angular position and/or motion.
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Shift registers are used to convert a serial string of bits into parallel data, or vice-versa.
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atmega32u4 is low-power Atmel 8-bit AVR RISC-based microcontroller
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A semiconductor component used for amplifying or switching electrical signals. Use this tag for discussing transistor circuits.
105 questions
In-system programming (ISP) refers to the ability of chips to be programmed while installed in the system.
104 questions
For question related to environment with networks.
103 questions
The WS2812 Integrated Light Source from Adafruit.
102 questions
for the Wire library, used for I2C/TWI communication.
101 questions
A thin-film transistor (TFT) screen
99 questions
The analogWrite() function is used to generate a PWM (Pulse Width Modulation) output signal on compatible pins.
98 questions
if your question is related to signal processing techniques (within the Arduino's capability).
96 questions
For questions about communication or data transfer between Arduino and Android devices. General Android questions can be asked on Android.SE.
96 questions
Typically refers to a specific type of device which allows raw serial communication with a PC via USB.
96 questions
A variable in C/C++ which stores the type and location of data in memory.
95 questions
Interrupt Service Routine. A function which gets called in response to an interrupt signal.
94 questions
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The process of finding and resolving problems ('bugs') in a hardware and/or software system.
92 questions
sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a transmission medium such as air or water.
92 questions
also known as ANSI/TIA/EIA-485, TIA/EIA-485, EIA-485 or RS-485, is a standard defining the electrical characteristics of drivers and receivers for use in balanced digital multipoint systems. The stand…
86 questions
A gps library providing: position, date, time, altitude, speed and course
86 questions
MQTT (Message Queuing Telemetry Transport) is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol. The MQTT protocol enables a publish/subscribe messaging model in an extremely light…
86 questions
A datatype in C/C++ which stores a single-precision floating point number.
81 questions
Musical Instrument Digital Interface.
78 questions
Port-mapping refers to directly accessing the hardware registers (ports), in particular the input/output ports. Use this tag for discussing direct port access.
78 questions
Refers to a crystal oscillator.
78 questions
Typically refers to a device which measures orientation.
77 questions
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